import Vue from 'vue'
import VueRouter from 'vue-router'
// import Login from '../components/Login.vue'
// import Home from '../components/Home.vue'
// import Welcome from '../components/Welcome.vue'
// import Users from '../components/user/Users.vue'
// import Rights from '../components/power/Rights.vue'
// import Roles from '../components/power/Roles.vue'
// import Cate from '../components/goods/Cate.vue'
// import Params from '../components/goods/Params.vue'
// import List from '../components/goods/List.vue'
// import Add from '../components/goods/Add.vue'
// import Order from '../components/order/Order.vue'
// import Report from '../components/report/Report.vue'


const Login = () =>
  import(/* webpackChunkName: "login_home_welcome" */ '../components/Login.vue')
const Home = () =>
  import(/* webpackChunkName: "login_home_welcome" */ '../components/Home.vue')
const Welcome = () =>
  import(/* webpackChunkName: "login_home_welcome" */ '../components/Welcome.vue')
const Users = () =>
  import(/* webpackChunkName: "users_rights_roles" */ '../components/user/Users.vue')
const Rights = () =>
  import(/* webpackChunkName: "users_rights_roles" */ '../components/power/Rights.vue')
const Roles = () =>
  import(/* webpackChunkName: "users_rights_roles" */ '../components/power/Roles.vue')
const Cate = () =>
  import(/* webpackChunkName: "cate_params" */ '../components/goods/Cate.vue')
const Params = () =>
  import(/* webpackChunkName: "cate_params" */ '../components/goods/Params.vue')

const List = () =>
  import(/* webpackChunkName: "list_add" */ '../components/goods/List.vue')
const Add = () =>
  import(/* webpackChunkName: "list_add" */ '../components/goods/Add.vue')
const Order = () =>
  import(/* webpackChunkName: "order_report" */ '../components/order/Order.vue')
const Report = () =>
  import(/* webpackChunkName: "order_report" */ '../components/report/Report.vue')
Vue.use(VueRouter)
const routes = [{ path: '/', redirect: '/login' },
  { path: '/login', component: Login },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [
      { path: '/welcome', component: Welcome },
      { path: '/users', component: Users },
      { path: '/rights', component: Rights },
      { path: '/roles', component: Roles },
      { path: '/categories', component: Cate },
      { path: '/params', component: Params },
      { path: '/goods', component: List },
      { path: '/goods/add', component: Add },
      { path: '/orders', component: Order },
      { path: '/reports', component: Report }
    ]
  }

]


const router = new VueRouter({
  routes
})
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from代表从哪个路径跳转而来
  // next是一个函数，表示放行
  // next()放行next('/login')强制跳转
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})
export default router
